diff --git a/roles/ns/defaults/main.yml b/roles/ns/defaults/main.yml
index 528f6c4..daeccf4 100644
--- a/roles/ns/defaults/main.yml
+++ b/roles/ns/defaults/main.yml
@@ -16,14 +16,14 @@ bind_config_templates:
   - { src: 'wan.key', dest: '/etc/bind/keys/wan.key', mode: 'u=rw,g=r,o=' }
   - { src: 'rndc.key', dest: '/etc/bind/rndc.key', mode: 'u=rw,g=r,o=' }
   - { src: 'dhcp.key', dest: '/etc/bind/keys/dhcp.key', mode: 'u=rw,g=r,o=' }
+  - { src: 'isp1.ns', dest: '/root/scripts/switch-isp', mode: 'u=rw,g=rw,o=r' }
+  - { src: 'isp2.ns', dest: '/root/scripts/switch-isp', mode: 'u=rw,g=rw,o=r' }
 directory:
   - { path: '/root/scripts', owner: 'root', group: 'root', mode: 'u=rwx,g=rx,o=rx' }
   - { path: '/etc/bind/keys', owner: 'root', group: 'bind', mode: 'u=rwx,g=rxs,o=rx' }
   - { path: '/root/scripts/switch-isp', owner: 'root', group: 'bind', mode: 'u=rwx,g=rxs,o=rx' }
 required_files:
   - { src: 'delete.ns', dest: '/root/scripts/switch-isp', owner: 'root', group: 'bind', mode: 'u=rw,g=rw,o=r' }
-  - { src: 'isp1.ns', dest: '/root/scripts/switch-isp', owner: 'root', group: 'bind', mode: 'u=rw,g=rw,o=r' }
-  - { src: 'isp2.ns', dest: '/root/scripts/switch-isp', owner: 'root', group: 'bind', mode: 'u=rw,g=rw,o=r' }
   - { src: 'switch-isp.sh', dest: '/root/scripts', owner: 'root', group: 'root', mode: 'u=rwx,g=rx,o=rx' }
   - { src: 'sync-conf', dest: '/root/scripts', owner: 'root', group: 'root', mode: 'u=rwx,g=rx,o=rx' }
   - { src: 'gen-key.sh', dest: '/root/scripts', owner: 'root', group: 'bind', mode: 'u=rwx,g=rx,o=rx' }
diff --git a/roles/ns/files/isp1.ns b/roles/ns/files/isp1.ns
deleted file mode 100644
index e9ed9b6..0000000
--- a/roles/ns/files/isp1.ns
+++ /dev/null
@@ -1,16 +0,0 @@
-update add verdnatura.es               3600   A  89.6.245.230
-update add verdnatura.es               3600   A  89.6.245.231
-update add kube-proxy.verdnatura.es    3600   A  89.6.245.230
-update add kube-proxy.verdnatura.es    3600   A  89.6.245.231
-update add smtp.verdnatura.es          3600   A  89.6.245.230
-update add imap.verdnatura.es          3600   A  89.6.245.230
-update add autodiscover.verdnatura.es  3600   A  89.6.245.230
-update add time1.verdnatura.es         3600   A  89.6.245.230
-update add time2.verdnatura.es         3600   A  89.6.245.230
-update add dc-ip01.verdnatura.es       3600   A  89.6.245.228
-update add dc-ip02.verdnatura.es       3600   A  89.6.245.229
-update add dc-ip03.verdnatura.es       3600   A  89.6.245.230
-update add dc-ip04.verdnatura.es       3600   A  89.6.245.231
-update add mailgw1.verdnatura.es       43200  A  89.6.245.232
-update add mailgw2.verdnatura.es       43200  A  89.6.245.233
-send
diff --git a/roles/ns/files/isp2.ns b/roles/ns/files/isp2.ns
deleted file mode 100644
index f5bd027..0000000
--- a/roles/ns/files/isp2.ns
+++ /dev/null
@@ -1,16 +0,0 @@
-update add verdnatura.es               3600   A  195.77.191.180
-update add verdnatura.es               3600   A  195.77.191.181
-update add kube-proxy.verdnatura.es    3600   A  195.77.191.180
-update add kube-proxy.verdnatura.es    3600   A  195.77.191.181
-update add smtp.verdnatura.es          3600   A  195.77.191.180
-update add imap.verdnatura.es          3600   A  195.77.191.180
-update add autodiscover.verdnatura.es  3600   A  195.77.191.180
-update add time1.verdnatura.es         3600   A  195.77.191.180
-update add time2.verdnatura.es         3600   A  195.77.191.180
-update add dc-ip01.verdnatura.es       3600   A  195.77.191.178
-update add dc-ip02.verdnatura.es       3600   A  195.77.191.179
-update add dc-ip03.verdnatura.es       3600   A  195.77.191.180
-update add dc-ip04.verdnatura.es       3600   A  195.77.191.181
-update add mailgw1.verdnatura.es       43200  A  195.77.191.180
-update add mailgw2.verdnatura.es       43200  A  195.77.191.181
-send
diff --git a/roles/ns/templates/isp1.ns b/roles/ns/templates/isp1.ns
new file mode 100644
index 0000000..57eba65
--- /dev/null
+++ b/roles/ns/templates/isp1.ns
@@ -0,0 +1,4 @@
+{% for record in dns_records_main %}
+update add {{ record.name.ljust(30) }} {{ record.ttl }}   A  {{ record.ip }}
+{% endfor %}
+send
diff --git a/roles/ns/templates/isp2.ns b/roles/ns/templates/isp2.ns
new file mode 100644
index 0000000..e89b38e
--- /dev/null
+++ b/roles/ns/templates/isp2.ns
@@ -0,0 +1,4 @@
+{% for record in dns_records_secondary %}
+update add {{ record.name.ljust(30) }} {{ record.ttl }}   A  {{ record.ip }}
+{% endfor %}
+send